酸沉積 的英文怎麼說
中文拼音 [suānchénjī]
酸沉積
英文
acid deposition-
The lacustrine carbonate rocks in the wudaoliang group consist of boundstone ( stromatolite ), micritic limestone, grainstone and micritic dolostone which were laid down in the shallow - water to bathyal, high - salinity and enclosed to semi - enclosed lake systems
五道梁群湖相碳酸鹽巖分為生物粘結灰巖(疊層石) 、泥晶灰巖、顆粒灰巖與泥晶白雲巖四大類,反映出沉積環境為一個具有淺水半深水、高鹽度、半封閉封閉特點的綜合湖泊系統。" it could be acidic water, it could be briny water, it could carry lots of sediment or be slushy, but [ it appears that ] water is involved, " edgett added
「那可能是酸水,可能是鹽水,可能攜帶有很多沉積物,也可能是泥濘的,但看上去跟水肯定有關系。 」Electrocatalytic oxidation of aa at gce modified by electrodeposited films of caffeic acid
電沉積咖啡酸玻碳修飾電極對抗壞血酸的催化氧化Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate.
含有溶解碳酸氫鈣的水通過石灰石滴在鐘乳石上蒸發,隨著碳酸鈣沉積物的增加不斷增加著它的長度。The lower part formed in a littoral - epeiric environment, is a series of elastic rocks, partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert, partly contains metamorphic basic volcanic rocks
其下部為一套濱淺相碎屑巖,局部夾碳酸鹽巖、變質基性火山巖;上部為一套深水沉積巖系夾硅質巖,局部夾變質基性火山巖。Deposition mechanism of electroless plating tin in acid chloride solutions was analyzed theoretically, and three steps were summed up, including period of replacement reaction, coexistence periods of copper - tin codeposition and self - catalyzed deposition, and period of self - catalyzed deposition
從理論上系統地分析了酸性氯化物化學鍍錫的沉積機理,將其歸納為置換反應期、銅錫共沉積與自催化沉積共存期和自催化沉積期三個階段。That is the premise of the bg / ha electrophoresis codeposition. the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions. the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating, which is compact in the bottom layer and porous near the surface layer, had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min, heat preservation time was 5 - 8min. )
以bg微粉和ha微粉作為塗層原料,通過研究bg和ha微粉在非水介質中的分散情況和帶電特性,選擇冰醋酸為介質,使分散在其中的bg顆粒和ha顆粒表面均帶上正電荷,為電泳共沉積提供前提條件;通過對不同條件下bg 、 ha各自電泳沉積的研究,探索出了兩者電泳沉積的規律;通過對bg和ha在冰醋酸中電泳共沉積以及后續低溫( 740左右)快燒( 50 ? 80 min ,保溫5 ? 8min )熱處理的研究,在鈦合金牙根種植體基體上成功制備出了底層緻密而表層多孔的bg ha梯度塗層。The gas contains blow-by, sludge, acids, oil, and other contaminant.
這些氣體包括竄缸氣體,沉積物,酸,機油和其它雜質的氣體。The effects of different current density on the alloying element content were discussed. based on the results, the optimal process condition was confirmed : pb ~ ( 2 + ) 80 - 90 g / l sn ~ ( 2 + ) 7 - 15 g / l ch _ 4so _ 3 ( dissociative ) 130 - 150 g / l composite additive 12 ml / l current density 2 - 6 a / dm ~ 2
採用hull槽實驗方法確定了甲磺酸體系電沉積pb - sn合金鍍層的電流密度范圍,並探討了不同沉積電流密度下pb 、 sn合金含量的變化規律。1. the composition and current efficiency of ni - w - b electrodeposit in the bath containing ammonium citrate as complexing agent were related to the deposition current density and bath composition
在以檸檬酸銨為絡合劑的鍍液中, ni - w - b合金電沉積層的組成和沉積電流效率與沉積電流密度及鍍液的組成等有關。On this surface the encroaching muskeg sea developed a carbonate bank fringed by coastal sabkhas in which gypsiferous deposits were formed.
在這個地表上,侵入的馬斯愷格海發育了一個碳酸鹽灘,其邊緣有海岸薩勃哈石膏質沉積形成。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film
其內容如下: 1通過合成的丙烯腈?甲基丙烯酸甲酯二元共聚物( p ( an - mma ) ) ,丙烯腈?亞甲基丁二酸二元共聚物( p ( an - ita ) ) ,丙烯腈-甲基丙烯酸甲酯?丙烯磺酸鈉三元共聚物( p ( an - mma - as ) )分別作為基體制備了聚合物基金屬梯度復合膜材料( pmgcf ) ,以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。Besides humic acid and kerogen, four soms consist of a special organic fraction black carbon ( bc ), it accounts for the least 18. 36 % of toc in marine sediment. and different fractions of som have different origin
四種土壤和沉積物有機質中除了腐殖酸和乾酪根,都含有相當數量的碳黑,最少的海洋沉積物有機質中碳黑含量也達到18 . 36 。The formation of a petrofabric is mainly composed of volcanics interlated with minor detrital rock, that of b petrofabric mainly detrital rock inter lated with minor volcanics, and that of c petrofabric mainly carbonate rock. the evidences in geochemistry character demonstrate that metamorphic volcanic rock of the a petrofabric belong to calc - alkaline volcanic rock
在代表性巖石原巖研究的基礎上確立了各巖組的原巖建造類型,它們分別是: a巖組主要為一套火山巖夾碎屑巖沉積建造; b巖組主要為一套碎屑巖夾火山巖建造; c巖組主要為一套碳酸巖建造。The fluids upwelled to seafloor along fault thus ore - forming metals accumulated. 2. this paper indicated the definition the hydrothermal sedimentary rocks. the definition is a group of especial sedimentary rocks forming at the temperature ranging from 70 ? to 350 ? ( or more high ) through sedimentation and synsedimentary metasomatism in the seafloor
區內的熱水沉積巖主要有硅質巖、鈉鉀長石巖、重晶石巖、透閃石巖、碳酸鹽巖、綠泥石巖和鐵白雲石斑點千枚巖,它們往往與熱水沉積礦體緊密伴生。These geomorphic units of paleogeography constitute the basic model of paleocontinent, littoral - neritic sea and carbonate plateform at that stage, and this depositional model is similar to the pattern of the east china continent and ocean, which is the result of evolution during the past long geologic age
這些古地理地貌單元構成了湖北省泥盆紀時期古陸濱淺海和碳酸鹽巖臺地的基本沉積模式,這種沉積模式與現今中國東海大陸、海洋格局基本一致,亦是經過了漫長地質歷史時期演化,而形成現今這種格局的。According to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵,將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境,認為太原組形成於潮汐作用為主的陸表海海岸,泥炭坪是成煤的重要古地理環境,潮渠對煤層有一定的破壞作用,地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。Abstract : according to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
文摘:根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵,將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境,認為太原組形成於潮汐作用為主的陸表海海岸,泥炭坪是成煤的重要古地理環境,潮渠對煤層有一定的破壞作用,地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。The chain of events through which central european forests have responded to acid deposition is a ready example
中歐森林反應出的酸沉積就是一個這樣鏈式反應的很好例子。分享友人